Journals

Vapor- and Liquid-Phase Adsorption of Alcohol and Water in Silicalite-1 Synthesized in Fluoride Media

November 21, 2019

Author(s)

Robert F. DeJaco, Matheus D. de Mello, Huong Giang Nguyen, Mi Young Jeon, Roger D. van Zee, Michael Tsapatsis, Ilja J. Siepmann

In this work, batch-adsorption experiments and molecular simulations are employed to probe the adsorption of binary mixtures containing ethanol or a linear...

Unveiling defect-mediated charge-carrier recombination at the nanometer scale in polycrystalline solar cells

November 20, 2019

Author(s)

Yohan Yoon, Wei-Chang Yang, Dongheon Ha, Paul M. Haney, Daniel Hirsch, Heayoung Yoon, Renu Sharma, Nikolai Zhitenev

In this work, we employ two techniques, near-field scanning photocurrent microscopy (NSPM) and transmission electron microscope based cathodoluminescence...

Nondestructive cooling of an atomic quantum register via Rydberg interactions

November 20, 2019

Author(s)

Ron Belyansky, Jeremy Young, Przemek Bienias, Zachary Eldredge, Adam Kaufman, Peter Zoller, Alexey Gorshkov

Separation of Specific Single Enantiomer Single-Wall Carbon Nanotubes in the Large Diameter Regime

November 19, 2019

Author(s)

Jeffrey A. Fagan, Ming Zheng, Sofie Cambre, Wim Wenseleers, Benjamin Flavel, Han Li, Stephanie Reich, Georgy Gordeev, Oisin Garrity, Naga Peyyety, Ralph Krupke, Pranauv Selvasundaram

Enantiomer level isolation of single-wall carbon nanotubes (SWCNTs) in high concentration and purity for nanotubes greater than 1.1 nm in diameter is...

Eutectic Formation, V/III Ratio and Controlled Polarity Inversion in Nitrides on Silicon

November 19, 2019

Author(s)

Alexana Roshko, Matthew D. Brubaker, Paul T. Blanchard, Todd E. Harvey, Kristine A. Bertness

The crystallographic polarity of AlN grown on Si(111) by plasma assisted molecular beam epitaxy is intentionally inverted from N-polar to Al-polar at a planar...

Dynamic Equivalence between Soft Star Polymers and Hard Spheres

November 19, 2019

Author(s)

Zhe Wang, Antonio Faraone, Panchao Yin, Lionel Porcar, Yun Liu, Changwoo Do, Kunlun Hong, Wei-Ren Chen

We measure a series of star polymer dispersions to study the dynamics of soft colloidal liquids. We find that as the concentration increases, the slowing of the...

Damping Enhancement in Coherent Ferrite-Insulating-Paramagnet Bilayers

November 19, 2019

Author(s)

Jacob J. Wisser, Alexander Grutter, Dustin A. Gilbert, Alpha T. N'Diaye, Christoph Klewe, Padraic Shafer, Elke Arenholz, Yuri Suzuki, Satoru Emori

High-quality epitaxial ferrites, such as low-damping MgAl-ferrite (MAFO), are promising nanosclae building blocks for all-oxide heterostructures driven by pure...

Geometry Entrapment in Walk-on-Subdomains

November 19, 2019

Author(s)

Walid Keyrouz, Preston Hamlin, W. J. Thrasher, Michael V. Mascagni

One method of computing the electrostatic energy of a biomolecule in a solution combines the Walk-On-Spheres and Walk-On-Subdomains Monte Carlo algorithms. In...

A kilopixel array of superconducting nanowire single-photon detectors

November 18, 2019

Author(s)

Varun Verma, Adriana Lita, Sae Woo Nam, R P. Mirin, Emma Wollman, William Farr, Matthew Shaw

We present a 1024-element imaging array of superconducting nanowire single photon detectors (SNSPDs) using a 32x32 row-column multiplexing architecture. Large...

Quantum interference between photons from an atomic ensemble and a remote atomic ion

November 18, 2019

Author(s)

A. Craddock, J. Hannegan, D. Ornelas-Huerta, J. Siverns, A. Hachtel, E. Goldschmidt, James V. Porto, Q. Quraishi, S. Rolston

Many remote-entanglement protocols rely on the generation and interference of photons produced by nodes within a quantum network. Quantum networks based on...

Influence of Board Spacing on Mitigating Wood Decking Assembly Ignition

November 17, 2019

Author(s)

Samuel Manzello, Sayaka Suzuki

As part of recent building code change discussions, it has been suggested that by increasing the spacing of boards, it may be possible to mitigate ignition of...

SAGE: A proposal for a Space Atomic Gravity Explorer

November 15, 2019

Author(s)

Nathan Newbury, Chris Oates, Jun Ye, Guglielmo Tino, A Bassi, G Bianco, K Bongs, L Cacciapuoti, M. L. Chiofalo, X Chen, A Derevianko, W Ertme, N Gaaloul, Patrick Gill, P. W. Graham, J. M. Hogan, L Iess, Mark Kasevich, H Katori, Carsten Klempt, X Lu, Long-Sheng Ma, H Muller, A Peters, N Poli, Rasel E, G Rosi, A Roura, C Salomon, S Schiller, W Sleich, D Schlippert, F Schreck, C Schubert, Sorrentino F, Uwe Sterr, J. W. Thomsen, G Vallone, F Vetrano, P Villoresi, W von Klitzing, P Wolf, Nan Yu, M.S. Zhan

The proposed mission \Space Atomic Gravity Explorer (SAGE) has the scientifi c objective to investigate gravitational waves, dark matter, and other fundamental...

Application of INAA methods for KRISS infant forumla CRM analysis: Standardization of INAA at KRISS

November 15, 2019

Author(s)

Hana Cho, Kishore B. Dasari, Radojko Ja?imovi?, Rolf L. Zeisler, Nicholas Sharp, Sun-Ha Kim, Gwang Min Sun, Yong-Hyeon Yim

We have established an instrumental neutron activation analysis (INAA) method, including k0- based INAA, at the Korea Research Institute of Standards and...

Nano-opto-electro-mechanical switches operated at CMOS-level voltages

November 15, 2019

Author(s)

Christian Haffner, Andreas Joerg, Michael Doderer, Daniel Chelladurai, Felix Mayor, Comsin Ioan Roman, Yuriy Fedoryshyn, Mikael Mazur, Maurizio Burla, Henri J. Lezec, Vladimir A. Aksyuk, Juerg Leuthold

Reprogrammable optical networks that operate in symbiosis with CMOS electronics promise to advance technologies such as optical neural networks. However...

Crosstalk in microwave SQUID multiplexers

November 15, 2019

Author(s)

John A. Mates, Daniel T. Becker, Douglas A. Bennett, Bradley J. Dober, Johnathon D. Gard, Gene C. Hilton, Daniel S. Swetz, Leila R. Vale, Joel N. Ullom

Low-temperature detector technologies provide extraordinary sensitivity for applications ranging from precision measurements of the cosmic microwave background...

Implementation of a graphene quantum Hall Kelvin bridge-on-a-chip for resistance calibrations

November 15, 2019

Author(s)

Martina Marzano, Mattias Kruskopf, Alireza Panna, Albert Rigosi, Dinesh K. Patel, Hanbyul Jin, Stefan Cular, Luca Callegaro, Randolph Elmquist, Massimo Ortolano

Universal Nature of Dynamic Heterogeneity in Glass-Forming Liquids: A Comparative Study of Metallic and Polymeric Glass-Forming Liquids

November 14, 2019

Author(s)

Jack F. Douglas, Hao Zhang, Xinyi Wang, Wensheng Xu

Glass-formation is a ubiquitous phenomenon in which a common phenomenology is often observed in the temperature dependence of structural relaxation, and...

What Does Instantaneous Normal Mode Spectrum Tell Us About Dynamical Heterogeneity in Glass-Forming Fluids?

November 14, 2019

Author(s)

Jack F. Douglas, Wengang Zhang, Francis W. Starr

We examine the instantaneous normal mode spectrum of model metallic and polymeric glass-forming liquids. We focus on the localized modes in the unstable part of...

Atomic-scale mechanism of unidirectional oxide growth

November 14, 2019

Author(s)

Xianhu Sun, Wenhui Zhu, Dongxiang WU, Zhenyu Liu, Xiaobo Chen, Lu Yuan, Guofeng Wang, Renu Sharma, Guangwen Zhou

A fundamental knowledge of the unidirectional growth mechanisms is required for precise control on size, shape, and thereby functionalities of nanostructures...

A critical evaluation of indentation crack lengths in air

November 13, 2019

Author(s)

Robert F. Cook

A extensive overview is presented of Vickers indentation crack lengths in ceramics in air. Measurement of such crack lengths is one of the most common and...

Tailoring the Pore Geometry and Chemistry in Microporous Metal-Organic Frameworks for High Methane Storage Working Capacity

November 13, 2019

Author(s)

Kai Shao, Jiyan Pei, Jia-Xin Wang, Yu Yang, Yuanjing Cui, Wei Zhou, Taner N. Yildirim, Bin Li, Banglin Chen, Guodong Qian

We realize that tailoring pore size/geometry and Chemistry, by virture of alkynl or naphthalene replacing phenyl within a series of isomorphic MOFs, can...

Enhanced Gas Uptake in a Microporous Metal-Organic Framework via a Sorbate Induced-Fit Mechanism

November 13, 2019

Author(s)

Mei-Hui Yu, Brian Space, Douglas Franz, Wei Zhou, Chaohui He, Libo Li, Rajamani Krishna, Ze Chang, Wei Li, Tong-Liang Hu, Xian-He Bu

Physical adsorption of gas molecules in microporous materials is an exothermic process, with desorption entropy driving a decrease in uptake with temperature...

Maximizing contact of supersoft bottlebrush networks with rough surfaces to promote particulate removal

November 12, 2019

Author(s)

Teresa T. Duncan, Edwin P. Chan, Kathryn L. Beers

Efficient removal of particulates from a rough surface with a soft material through a press and peel method (i.e., an adhesion and release approach) depends...

The FeoC [4Fe4S] Cluster Is Redox-Active and Rapidly Oxygen-Sensitive

November 12, 2019

Author(s)

Aaron T. Smith, Richard O. Linkous, Nathan Max, Alexandrea E. Sestok, Veronika Szalai, Kelly N. Chacon

The acquisition of iron is essential to establishing virulence among most pathogens. Under acidic and/or anaerobic conditions, most bacteria utilize the widely...

Establishing Standards and Methods for Qualification and Validation of New Particle Measurement Technologies

November 12, 2019

Author(s)

Srivalli Telikepalli, Dean C. Ripple, Kurt D. Benkstein, Kristen L. Steffens, Michael J. Carrier, Christopher B. Montgomery

Numerous particle sizing and counting methods exist for measuring particles in the submicrometer, subvisible, and visible size range. This article will briefly...

A Robust Principal Component Analysis for Outlier Identification in Messy Microcalorimeter Data

November 12, 2019

Author(s)

Joseph W. Fowler, Bradley K. Alpert, Young I. Joe, Galen C. O'Neil, Daniel S. Swetz, Joel N. Ullom

A principal component analysis (PCA) of clean microcalorimeter pulse records can be a first step beyond statistically optimal linear filtering of pulses toward...

Three-dimensional mortars using real-shaped sand particles and uniform thickness interfacial transition zones: Artifacts seen in 2D slices

November 11, 2019

Author(s)

Edward Garboczi, Yang Lu, Aminul Islam, Stephen Thomas

All scanning electron microscopic (SEM) examination of mortars are based on two-dimensional (2D) slices through the true three-dimensional (3D) microstructure...

Rethinking Authentication

November 11, 2019

Author(s)

Kim B. Schaffer

In today's environment, there is little doubt that companies, organizations, and governments must make significant investments in developing, implementing, and...

Expanding the Capability of Microwave Multiplexed Readout for Fast Signals in Microcalorimeters

November 11, 2019

Author(s)

Kelsey M. Morgan, Daniel T. Becker, Douglas A. Bennett, Johnathon D. Gard, Jozsef Imrek, John A. Mates, Christine G. Pappas, Carl D. Reintsema, Daniel R. Schmidt, Joel N. Ullom, Joel C. Weber, Abigail L. Wessels, Daniel S. Swetz

Microwave SQUID multiplexing has become a key technology for reading out large arrays of X-ray and gamma-ray microcalorimeters with mux factors of 100 or more...

Prey-size plastics are invading larval fish nurseries

November 11, 2019

Author(s)

Jamison Gove, Jonathan Whitney, Margaret McManus, Joey Lecky, Felipe Carvalho, Jennifer Lynch, Jiwei Li, Philipp Neubauer, Jana Phipps, Donald Kobayashi, Karla Balagso, Emily Contreras, Mark Manuel, Mark Merrifield, Jeffrey Polovina, Gregory Asner, Jeffrey Maynard, Gareth Williams

Life for many of the world's marine fish begins at the ocean surface. Ocean conditions dictate food availability and govern survivorship, yet little is known...